Home / 27,390.94-37,799.38-14,815.68

Finding the Fourth Proportional to 27,390.94, 37,799.38 and 14,815.68

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Solution

The fourth proportional to 27,390.94, 37,799.38 and 14,815.68 is: 20,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.94 : 37,799.38 = 14,815.68 : x
  2. Step 2: Convert to fraction form
    27,390.94/37,799.38 = 14,815.68/x
  3. Step 3: Cross multiply
    27,390.94x = 37,799.38 × 14,815.68
  4. Step 4: Simplify right side
    27,390.94x = 560,023,518.28
  5. Step 5: Solve for x
    x = 560,023,518.28/27,390.94
  6. Step 6: Final answer
    x = 20,445.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.